Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 607,109	$ 671,930
Cash and securities segregated, at fair value (cost: $1,262,899 and $816,350)	1,262,906	816,350
Receivables, net:
Brokers and dealers	303,542	199,690
Brokerage clients	1,627,419	1,647,059
AB funds fees	209,677	212,115
Other fees	111,231	124,164
Investments:
Long-term incentive compensation-related	58,414	66,034
Other	420,133	377,555
Cash and cash equivalents	617,547	998,448
Other assets	297,995	211,893
Furniture, equipment and leasehold improvements, net	158,475	157,569
Goodwill	3,066,700	3,066,700
Intangible assets, net	85,463	105,784
Deferred sales commissions, net	16,738	30,126
Total assets	8,548,636	9,295,167
Payables:
Brokers and dealers	204,986	237,861
Securities sold not yet purchased	20,961	29,961
Brokerage clients	2,781,140	2,229,371
AB mutual funds	50,436	82,967
Accounts payable and accrued expenses	373,596	515,660
Accrued compensation and benefits	664,947	270,610
Debt	398,242	565,745
Liabilities	4,502,887	4,630,276
Commitments and contingencies (See Note 13)
Redeemable non-controlling interest	103,997	601,587
Capital:
General Partner	40,553	41,221
Limited partners: 268,565,762 and 268,659,333 units issued and outstanding	4,105,882	4,168,841
Receivables from affiliates	(11,630)	(11,494)
AB Holding Units held for long-term incentive compensation plans	(86,961)	(42,688)
Accumulated other comprehensive loss	(107,777)	(94,140)
Partners’ capital attributable to AB Unitholders	3,940,067	4,061,740
Non-redeemable non-controlling interests in consolidated entities	1,685	1,564
Total capital	3,941,752	4,063,304
Total liabilities, redeemable non-controlling interest and capital	8,548,636	9,295,167
Company-sponsored investment funds
Investments:
Cash and cash equivalents	10,438	326,518
Investments	303,301	1,246,283
Other assets	9,095	35,397
Payables:
Liabilities	8,579	698,101
Redeemable non-controlling interest	101,109	596,223
Capital:
Non-redeemable non-controlling interests in consolidated entities	$ 658	$ 757